The process can create custom forms, V-bends, and U-bends. Methods such as stamping utilize a set of dies that press designs into the metal to create the desired form.īending is accomplished through press brakes (or sometimes by hand). Forming processes include stamping, bending, stretching, and roll forming. Unlike cutting, which subtracts material, forming reshapes the material without losing its mass. Simply machining the sheet metal with drill bits and lathes, or processes like spinning or milling.įorming is a sheet metal fabrication process that bends or deforms the material into the desired shape. Plasma cuts using heated gases waterjet cutting, which applies concentrated streams of water with abrasives.Laser cutting, which applies a focused beam of energy.The process requires precision and accuracy accomplished through a variety of methods: Non-shear cutting is a process used for integral parts and components found in large-scale industrial applications and products. Blanking is a robust hole punching process that cuts out cookie cutter-like designs from the metal. One blade remains stationary while the other cuts through the metal. Upper and lower blades cut through a straight line. Shearing is, essentially, a similar action as scissors. The basic process itself, cutting, uses a single blade to cut through the material. It includes such processes as cutting, shearing, and blanking. Shear cutting is generally used for nonindustrial components and end products. There are two different types of metal cutting: shear and non-shear. Taking a Closer Look At the Sheet Metal Fabrication Processįabrication then consists of a variety of cutting, forming, and joining techniques that remove or deforms the material into the desired shape. Which metal selected depends mainly on its properties-corrosion resistance, tensile strength, flexibility, hardness, conductivity-required for the intended application. Metals used in sheet metal fabrication processes can be derived from any common raw stock material-stainless steel, aluminum, iron, bronze, copper, carbon steel-nearly any type of ferrous or nonferrous metal. Any thinner metal gauge is considered foil, whereas thicker gauges are considered plate. Sheet metal is flattened to a thickness, referred to as its gauge, between 0.006 and 0.25 inches from raw stock material through such methods as extrusion, rolling, or hammering. Whether building complex structures and advanced machinery or standard tools and devices, the process selectively removes, reforms, or combines material to create the desired shape. The sheet metal fabrication process involves several fabrication techniques that cut, form, or join metal into custom parts and components that are further utilized in a wide range of applications.
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